Joao P Dubas
9be7566cbb
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To create a cluster with distributed nodes, the following changes were made: * Use [`dns_cluster`][0] to execute distributed nodes * Add _script_ to execute distributed nodes locally Also, improve local execution by: * Use [`mix release`][1] to make easier [deploy `phoenix`][2] * Use [`compose watch`][3] to synchronize code from the host with the service Some minor improvements: * Ignore files and folders in git and docker * Remove boilerplate comments [0]: https://github.com/phoenixframework/dns_cluster [1]: https://hexdocs.pm/mix/Mix.Tasks.Release.html [2]: https://hexdocs.pm/phoenix/releases.html [3]: https://docs.docker.com/compose/how-tos/file-watch/ Co-authored-by: Joao P Dubas <joao.dubas@gmail.com> Reviewed-on: #96 Co-authored-by: Joao P Dubas <joao.dubas+gitea@gmail.com> Co-committed-by: Joao P Dubas <joao.dubas+gitea@gmail.com>
27 lines
718 B
Elixir
27 lines
718 B
Elixir
defmodule Wabanex.DevDNSClusterResolver do
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@moduledoc """
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Local DNS resolver for cluster query.
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"""
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require Record
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Record.defrecord(:hostent, Record.extract(:hostent, from_lib: "kernel/include/inet.hrl"))
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def basename(node_name) when is_atom(node_name) do
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[basename, _] = node_name |> to_string() |> String.split("@")
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basename
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end
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def connect_node(node_name) when is_atom(node_name) do
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Node.connect(node_name)
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end
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def list_nodes, do: Node.list(:visible)
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def lookup(query, type) when is_binary(query) and type in [:a, :aaaa] do
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case :inet_res.getbyname(~c"#{query}", type) do
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{:ok, hostent(h_addr_list: addr_list)} -> addr_list
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{:error, _} -> []
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end
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end
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end
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